Spellbook

Spellbook is an AI-powered contract review, drafting, and research platform built specifically for transactional legal work and integrated directly into Microsoft Word. Launched in 2022 as the first generative AI tool for lawyers, it serves in-house legal teams and law firms across commercial practice areas. Spellbook is backed by investors including Khosla Ventures, Thomson Reuters Ventures, Inovia Capital, The Legaltech Fund, Bling Capital, and Moxxie Ventures.

Key Features & Functions:

Review
Flags redlines, aggressive terms, and missing clauses during contract review, applying AI analysis directly within the Word document.

Draft
Generates new clauses or full document sections from templates or past precedents, allowing users to build from firm- or client-specific language.

Ask
Answers questions about a contract or relevant legal context, with citations linked to sources directly in Word.

Market
Benchmarks contract terms against a database of comparable agreements and surfaces suggested revisions where language deviates from market standards.

Spellbook Associate
An AI agent that plans and executes multi-document projects end-to-end, including dataroom reviews, financing documents, disclosure schedules, and employment packages. Associate makes connections across documents to support higher-accuracy review and drafting at scale.

Technology and Security
Powered by GPT-5, Claude, and other large language models, tuned for commercial legal work. SOC 2 Type II certified, HIPAA compliant, GDPR compliant, and EU AI Act compliant, with Zero Data Retention agreements in place to prevent use of customer data for model training.